jimmydivvy commented on a change in pull request #14433:
URL: https://github.com/apache/pulsar/pull/14433#discussion_r813521510
##########
File path:
pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerBuilderImpl.java
##########
@@ -119,52 +118,58 @@ public ConsumerBuilderImpl(PulsarClientImpl client,
Schema<T> schema) {
return FutureUtil.failedFuture(
new InvalidConfigurationException("KeySharedPolicy must
set with KeyShared subscription"));
}
+ CompletableFuture<Void> applyDLQConfig;
if (conf.isRetryEnable() && conf.getTopicNames().size() > 0) {
TopicName topicFirst =
TopicName.get(conf.getTopicNames().iterator().next());
- String retryLetterTopic =
- topicFirst + "-" + conf.getSubscriptionName() +
RetryMessageUtil.RETRY_GROUP_TOPIC_SUFFIX;
- String deadLetterTopic =
- topicFirst + "-" + conf.getSubscriptionName() +
RetryMessageUtil.DLQ_GROUP_TOPIC_SUFFIX;
+ AtomicReference<String> retryLetterTopic =
+ new AtomicReference<>(topicFirst + "-" +
conf.getSubscriptionName()
+ + RetryMessageUtil.RETRY_GROUP_TOPIC_SUFFIX);
+ AtomicReference<String> deadLetterTopic =
+ new AtomicReference<>(topicFirst + "-" +
conf.getSubscriptionName()
+ + RetryMessageUtil.DLQ_GROUP_TOPIC_SUFFIX);
//Issue 9327: do compatibility check in case of the default retry
and dead letter topic name changed
String oldRetryLetterTopic = topicFirst.getNamespace() + "/" +
conf.getSubscriptionName()
+ RetryMessageUtil.RETRY_GROUP_TOPIC_SUFFIX;
String oldDeadLetterTopic = topicFirst.getNamespace() + "/" +
conf.getSubscriptionName()
+ RetryMessageUtil.DLQ_GROUP_TOPIC_SUFFIX;
- try {
- if (client.getPartitionedTopicMetadata(oldRetryLetterTopic)
- .get(client.conf.getOperationTimeoutMs(),
TimeUnit.MILLISECONDS).partitions > 0) {
- retryLetterTopic = oldRetryLetterTopic;
- }
- if (client.getPartitionedTopicMetadata(oldDeadLetterTopic)
- .get(client.conf.getOperationTimeoutMs(),
TimeUnit.MILLISECONDS).partitions > 0) {
- deadLetterTopic = oldDeadLetterTopic;
- }
- } catch (InterruptedException | TimeoutException e) {
- return FutureUtil.failedFuture(e);
- } catch (ExecutionException e) {
- return FutureUtil.failedFuture(e.getCause());
- }
-
- if (conf.getDeadLetterPolicy() == null) {
- conf.setDeadLetterPolicy(DeadLetterPolicy.builder()
-
.maxRedeliverCount(RetryMessageUtil.MAX_RECONSUMETIMES)
- .retryLetterTopic(retryLetterTopic)
- .deadLetterTopic(deadLetterTopic)
- .build());
+ applyDLQConfig =
client.getPartitionedTopicMetadata(oldRetryLetterTopic)
Review comment:
This wouldn't change the logic, the end result is the same. It just
skips a lookup that is subsequently discarded.
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